Answer: She has a $-7.50 balance
Step-by-step explanation: A = 3*12.5
A= 37.5
37.5-30= -7.5
That is a ratio. 7 x 3 = 21 and 13 x 3 = 39.
D and E are the ones that aren’t functions because they use the x-values more then once
Answer:
$130
Step-by-step explanation:
Because you multiple 3 and 10 to get 30 and 5 and 20 to get 100 and then add 100+30 to get 130 and that would be 130 dollars in one day
